package suanfa;

public class backspaceCompare {
    public boolean backspaceCompare(String s, String t) {
        return changeStr(s).equals(changeStr(t));
    }
    public String changeStr(String s){
        StringBuffer ret=new StringBuffer();
        for(int i=0;i<s.length();i++){
            char ch=s.charAt(i);
            if(ch!='#'){
                ret.append(ch);
            }else{
                if(ret.length()>0)
                    ret.deleteCharAt(ret.length()-1);
            }
        }
        return ret.toString();
    }
}
